[ 1288.843415] loop: module loaded
[ 1289.086684] BTRFS: device fsid 29889b3a-1c10-48e4-ad6d-21d03d06e90b devid 1 transid 325966 /dev/loop0
[ 1289.087439] BTRFS warning (device loop0): 'recovery' is deprecated, use 'usebackuproot' instead
[ 1289.087440] BTRFS info (device loop0): trying to use backup root at mount time
[ 1289.087442] BTRFS info (device loop0): disk space caching is enabled
[ 1289.097757] BTRFS error (device loop0): failed to read chunk tree: -5
[ 1289.135222] BTRFS error (device loop0): open_ctree failed